Home / 11,139,567.20-16,709,350.80-8,305,215.20

Finding the Fourth Proportional to 11,139,567.20, 16,709,350.80 and 8,305,215.20

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Solution

The fourth proportional to 11,139,567.20, 16,709,350.80 and 8,305,215.20 is: 12,457,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,567.20 : 16,709,350.80 = 8,305,215.20 : x
  2. Step 2: Convert to fraction form
    11,139,567.20/16,709,350.80 = 8,305,215.20/x
  3. Step 3: Cross multiply
    11,139,567.20x = 16,709,350.80 × 8,305,215.20
  4. Step 4: Simplify right side
    11,139,567.20x = 138,774,754,246,292.17
  5. Step 5: Solve for x
    x = 138,774,754,246,292.17/11,139,567.20
  6. Step 6: Final answer
    x = 12,457,822.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.